Science Worksheets and Study Guides Seventh Grade. Ecosystems, food chains and food webs

The resources above correspond to the standards listed below:

Minnesota Standards

MN.6.13. Reading Benchmarks: Literacy in Science and Technical Subjects 6-12
Craft and Structure
6.13.4.4. Determine the meaning of symbols, equations, graphical representations, tabular representations, key terms, and other domain-specific words and phrases as they are used in a specific scientific or technical context relevant to grades 6-8 texts and topics.
MN.7.4. Life Science
7.4.2. Interdependence among Living Systems
7.4.2.1. The student will understand that natural systems include a variety of organisms that interact with one another in several ways.
7.4.2.1.1. Identify a variety of populations and communities in an ecosystem and describe the relationships among the populations and communities in a stable ecosystem.
7.4.2.1.2. Compare and contrast predator/prey, parasite/host and producer/consumer/decomposer relationships.
7.4.2.2. The student will understand that the flow of energy and the recycling of matter are essential to a stable ecosystem.
7.4.2.2.1. Recognize that producers use the energy from sunlight to make sugars from carbon dioxide and water through a process called photosynthesis. This food can be used immediately, stored for later use, or used by other organisms.
7.4.2.2.2. Describe the roles and relationships among producers, consumers and decomposers in changing energy from one form to another in a food web within an ecosystem.
7.4.2.2.3. Explain that the total amount of matter in an ecosystem remains the same as it is transferred between organisms and their physical environment, even though its form and location change.

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